Fix coverage with several contract classes; table annotation and file path checks; clean task dir on write

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014aUaQeLnwbb1zTpN7kHeat

tasks_gen/eval/G0122/reference/bike_rebalance.func.abap

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+FUNCTION {{p}}bike_rebalance
+  IMPORTING
+    iv_dry_run TYPE abap_bool
+  EXPORTING
+    ev_applied TYPE i
+    ev_rejected TYPE i.
+
+  DATA lt_state TYPE STANDARD TABLE OF {{p}}station.
+  DATA lt_moves TYPE STANDARD TABLE OF {{p}}move.
+
+  SELECT station_id, station_name, capacity, bikes
+    FROM {{p}}station
+    INTO TABLE @lt_state.
+
+  SELECT move_no, source_id, target_id, quantity
+    FROM {{p}}move
+    INTO TABLE @lt_moves.
+
+  SORT lt_state BY station_id.
+  SORT lt_moves BY move_no.
+
+  ev_applied = 0.
+  ev_rejected = 0.
+
+  LOOP AT lt_moves INTO DATA(ls_move).
+    IF ls_move-quantity <= 0
+       OR ls_move-source_id = ls_move-target_id.
+      ev_rejected = ev_rejected + 1.
+      CONTINUE.
+    ENDIF.
+
+    READ TABLE lt_state ASSIGNING FIELD-SYMBOL(<ls_source>)
+      WITH KEY station_id = ls_move-source_id BINARY SEARCH.
+    IF sy-subrc <> 0.
+      ev_rejected = ev_rejected + 1.
+      CONTINUE.
+    ENDIF.
+
+    READ TABLE lt_state ASSIGNING FIELD-SYMBOL(<ls_target>)
+      WITH KEY station_id = ls_move-target_id BINARY SEARCH.
+    IF sy-subrc <> 0.
+      ev_rejected = ev_rejected + 1.
+      CONTINUE.
+    ENDIF.
+
+    IF <ls_source>-bikes < ls_move-quantity
+       OR <ls_target>-capacity - <ls_target>-bikes < ls_move-quantity.
+      ev_rejected = ev_rejected + 1.
+      CONTINUE.
+    ENDIF.
+
+    <ls_source>-bikes = <ls_source>-bikes - ls_move-quantity.
+    <ls_target>-bikes = <ls_target>-bikes + ls_move-quantity.
+    ev_applied = ev_applied + 1.
+  ENDLOOP.
+
+  IF iv_dry_run = abap_false.
+    LOOP AT lt_state INTO DATA(ls_state).
+      UPDATE {{p}}station
+        SET bikes = @ls_state-bikes
+        WHERE station_id = @ls_state-station_id.
+    ENDLOOP.
+  ENDIF.
+
+ENDFUNCTION.